Polyhouse Specification

8/10/2019 Polyhouse Specification

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20.9.13

SN ITEM

1 Type

3 Grid size

5 Orientation6 Structural

component:

SN Component OD (inch) OD (mm) Wall

thickness

(mm)

minimum

Weight/ meter

length (kg)

minimum

A Foundation pipe 2½ 76 3.2 5.60

B Column (pillar) 2 60 2 2.85

C Purlin 1½ 48 2 2.30

D Trusses, Column-bracing 1¼ 42 2 2.10

E Arch bracings, Crop support bracing, A-bracings 1 33 2 1.60

F Rolling pipe ¾ 27 2 1.30

4

Unit 1 & 2: 36mX48m each=1728 sq.m (Gutter length 36m)

East-west gutter orientation

Length: Multiples of 4m ( Length is the side along the gutter or side along the purlin line).

Annexure '1'

Area: Six units with a total area of 8064m2Size

Height

Ridge level (central height): 5.5m-5.8m

4meter X 8meter

Hot dip Galvanized Iron pipe (Galvanisation should not be less than 300 GSM), ISI, GI pipe wall thickness minimum of 2mm for all the

structural components. Foundation pipe wall thickness minimum of 3.2mm. Tata, Jindal, Prakash, Zenith, Laxmi make only with ISI Mark.

Gutter level:3.8m to 4.0m

PRELI MI NARY ESTIM ATE

I IHR-RKVY-HYBRID VEGETABLES SEED PRODUCTION PROJECT (POLYHOUSE)

MINIMUM TECHNICAL SPECIFICATION, ESTIMATION & TERMS & CONDITIONS FOR CONSTRUCTION OF NATURALLY VENTILATED POLY HOUSE

A. General specifications

SPECIFICATION

Width: Multiples of 8m (width is the side along the gable or side along the truss line)

Unit 3,4,5,6: 36mX32m each=1152 sq.m (Gutter length 36m)

Multi span (gutter connected), with top ventilation, tubular GI pipe structure.

2



7 Top or ridge

ventilation

8 Side

ventilation

9 Withstand to

Wind velocity

10

11

12

13

14

2.5 to 3m down from Eve (gutter) level. Covered with 50 mesh UV stabilized insect proof nylon net. Over to that rollable polyethylene sheet

has to be provided (200 micron Uv stabilized) with manual cranking arrangements in all the four sides.

Insect proof net::UV stabilized, 50mesh, Meteor net for the roof vent and sides.

Clamps and Nut Bolts: Well Compatible with 2mm thickness GI strip of 180GSM zinc coated. Nut Bolt: 3/8size , length 1.5” & 3”. Galvanized materialshould be used.

Angles (MS): 40mmX40mmX6 mm thick to connect purlin to truss members.

Flats (MS): 100mmX8 mm thick for Base plates to hold truss & column.

130kmph

Top (Roof vent):Top vent of 80cm to 100cm of vertical gap. Covered with nylon net. Minimum overlap of top arch and bottom (small) arch

should be 60cm to avoid direct rain entering into the greenhouse from the vent.

Polyethylene film: U.V. stabilized, Anti Sulfur, Anti Drip, Anti Dust, diffused, 5-layered, Ginegar poly film for clading the roof, covering the side

ventilation Gable end sides, and curtain wall.



B : Specification of GI Materials for FabricationSN ITEM Specification Unit Quantity Rate (Rs.) Amount (Rs.)

1 Foundation

pipe

Fabrication and supply of foundation pipe made of GI = 2½” diameter (OD 75mm) wall

thickness 3.2 mm (each 1 meter length) ISI, Foundation pipe must be welded with a base plate

of 4inch X6inchX 6mm size. Also provide 6inch length 12mm TMT rods at 3 locations on the

foundation pipe. (Design in Annexure A).

meter 82

2 Grouting the

foundation

pipe

Digging foundation pit of size 0.75m depth X 0.3m breadth X 0.3m width ; Positioning

foundation pipe in the pit vertically straight, aligned properly in both directions and diagnolly,

filling properly with cement concrete (Ratio of 1:2:4). (Ground plan:Annexure "E")

cu.m 5.5

3 Columns Supply and and erection of Columns : GI- Pipe (OD 2" (60mm)) not less than 2.0 mm wall

thickness (in 4 meter length, no joints), ISI, welded with base plate for fixing the truss on one

end, Welded properly to foundation pipe on the other end, Aligned properly on bothdirections and diagnolly, vertically straight.

meter 328

4 Purlin Supply and fixing of purlins to the trusses. Made of GI- Pipe = 1 ½”dia (OD 48mm), not less

than 2.0mm wall thickness (in 4 meter length) ISI, Provided with minimum 4 purlins on the

roof. Provision of Perimeter or boundary perlin (1 ½” dia) at a height of 1m from ground level

connecting all the columns.

meter 1032

5 Trusses Fabrication ( by Welding) of Trusses: GI- Pipe = 1¼” dia (42mm OD), thickness 2 .0mm, ISI,

has a Bottom horizontal (8m length) + top arch+ Bottom arch+Two Vertical support at both

arch mid points+ sturt + arch connecting pipe; all made of 1¼”dia and 2.0 mm thick.. Two

ends welded with base plate for fixing to the columns. Welded with MS angle cleats at 3 or 4 posistions to fix the purlin. (as per Design in annexure B). Erection of trusses on the pillar with

nut and bolt.

meters 1350

6 Trusses Diagonal truss members (2 numbers) is of 1” dia (25mm OD), 2.0mm thick GI pipe. (as per

Design in annexure B).

meters 300

7 Rolling Pipe Provision of GI- Pipe = ¾” dia (OD 25mm), thickness not less than 2 .0mm (in 6 meter length)

for rolling polyethylene sheet for side vent, provided with cranking arrangements. (Each side

should have minimum two cranking arrangements)

meter 212

Specification & Quotation for 36mX48m (1728 sq.m) polyhouse -2Nos Unit 1 & 2

Annexure-"2"



C : Specification of GI Materials for ReinforcementsSN ITEM Specification Unit Quantity Rate (Rs.) Amount (Rs.)

1 Arch (truss)

bracing

Supply and welding of arch bracing with GI- Pipe = 1 inch (OD 33mm), thickness 2 .0mm (6

meter) ISI.(12pairs) ; For both gable end trusses, for both Top arch & bottom Arch which is

welded to column plat. (Design in Annexure C, D,E).

meter 144

2 Corner

Column

bracing / X

Pipes

Supply and provision (with clamp, nut & bolt) of X bracing with GI- Pipe = 1¼” (OD 42mm)

thickness 2 .0mm for all 4 corner (8 spots). (Design in annexure C, D,E)

meter 96

3 Column

bracing / X

Pipes

For 2nd Bay of green house at the beginning & last but one bay at the end & below each gutter

one X pipe should be provided with clamp, nut & bolt with GI- Pipe =of 1”dia (OD 33mm,

thickness 2 .0mm) for inside (10 spots). (Design in annexure C, D,E)

meter 120

4 V - bracing Supply & fixing of V bracing for every pillar with clamp, nut & bolt, with GI- Pipe = ¾”

(25mm, wall thickness 2 .0mm). Provided to each and every column on 8X4 grid. Single

bracings to 20nos of side columns. Also single bracings to 10nos of partition columns. (designin annexure D)

meter 120

5 A - Bracing GI- Pipe = 1 inch (OD 33mm), thickness 2 .0mm (6 meter) ISI. Connects the gable end centre

post to purlin (6+6 numbers)

72

6 Crop load

Bracing

GI- Pipe = 1 inch (OD 33mm), thickness 2 .0mm (6 meter) ISI. Connects the gable end

horizontal beam of the truss to the 2nd pillar on gutter line, to be provided at two points on the

horizontal beam at equal distance on each gable side bay (6+6 pairs); at both sides.

meter 144

7 Clamps, Nuts,

Bolts, MS

Flats,MS

Angles

As explained in General specifications are to be used for fixing the trusses, purlins, Brazings

etc.

Kg 200



D : Specification of Fixing Cladding Materials / OthersSN ITEM Specification Unit Quantity Rate (Rs.) Amount (Rs.)

1 Gutters Supply and fixing of gutters made of GL Aluminum coated steel sheets, 0.5/1.0mm thick,

single length. Width: 60cm. To be bolted to purlin with plated nuts and bolts. Slope

unidirectional for all the gutters, minimum uniform slope of 1% is to be provided in civil

structural work/design. One end of the gutter need to be connected to funnel of 6 inch and 6”

PVC vertical pipe till GL for harvesting rain water from roof.

meters 180

2 Polyethylene

film for roof

Supply and fixing of 200 micron thick, U.V. stabilized, Anti Sulfur, Anti Drip, Anti Dust,

diffused, 5-layered, Ginegar poly film, for roof, vertical area between eve and arch on gable

ends with the help of zig-zag spring additional piece of polyethylene strips.

sq.m 2292

3 Aluminum

Profile

Supply & fixing of locking profile made of extruded aluminum channels to the structure with

the help of SDS. Profiles made of alloy aluminum (approximately 220-250g/running meter).

Should be suitable for double spring locking. Thickness : minimum 1.0mm. Aluminium

profiles have to be fixed with Galvanized 10 X 20 Patta Self Drilling Screw with washers as

per requirement and with the best quality plating to have good anti-corrosiveness. SDS have to

be fixed on profile for every 30cm distance (minimum)

meter 1404

4 Zig – zag

Spring

Supply of Zig Zag spring made of minimum of 2.3 mm-thick steel that is coated with plastic &

it will lock & hold poly film and nets in aluminum profile. A strip of polyethylene sheet is to

be provided on the aluminium profile underneath the zig-zag spring.

meter 2004

5 Self Drilling

Screws

Supply & fixing Patta SDS with washers, and with best quality plating to have good anti-

corrosivemess. SDS have to be fixed on aluminium profile for every 30cm distance.

Number 4680

6 Nylon Net(insect proof

net)

Supply & fixing of 50 mesh, white colour, UV stabilized, Meteor insect proof net for top ventand all four side ventilations with the help of zig-zag springs.

sq.m 720

7 Shade Net Green Shade net 50% shade factor, UV- Stabilized, Made retractable with side reinforced

stitching, proper hooks, UV stabilized PP ropes and pulley/bends. Shadenet is supported with

properly spaced 12 gauge GI wire. Shadenet is spread at gutter level. Retractable arrangements

(with bends and PP ropes) for every 16m length.

sq.m 1728

8 GI wire for

crop load

Supply and fixing of 12 Gauge GI-Wire 12 No each for a 8m bay (along the direction of gutter)

to stake the crop

kg 108



B : Specification of GI Materials for FabricationSN ITEM Specification Unit Quantity Rate (Rs.) Amount (Rs.)

1 Foundation

pipe

Fabrication and supply of foundation pipe made of GI = 2½” diameter (OD 75mm) wall

thickness 3.2 mm (each 1 meter length) ISI, Foundation pipe must be welded with a base plate

of 4inch X6inchX 6mm size. Also provide 6inch length 12mm TMT rods at 3 locations on the

foundation pipe. (Design in Annexure A).

meter 58

2 Grouting the

foundation

pipe

Digging foundation pit of size 0.75m depth X 0.3m breadth X 0.3m width ; Positioning

foundation pipe in the pit vertically straight, aligned properly in both directions and diagnolly,

filling properly with cement concrete (Ratio of 1:2:4). (Ground plan:Annexure "F")

cu.m 3.9

3 Columns Supply and and erection of Columns : GI- Pipe (OD 2" (60mm)) not less than 2.0 mm wall

thickness (in 4 meter length, no joints), ISI, welded with base plate for fixing the truss on one

end, Welded properly to foundation pipe on the other end, Aligned properly on bothdirections and diagnolly, vertically straight.

meter 232

4 Purlin Supply and fixing of purlins to the trusses. Made of GI- Pipe = 1 ½”dia (OD 48mm), not less

than 2.0mm wall thickness (in 4 meter length) ISI, Provided with minimum 4 purlins on the

roof. Provision of Perimeter or boundary perlin (1 ½” dia) at a height of 1m from ground level

connecting all the columns.

meter 712

5 Trusses Fabrication ( by Welding) of Trusses: GI- Pipe = 1¼” dia (42mm OD), thickness 2 .0mm, ISI,

has a Bottom horizontal (8m length) + top arch+ Bottom arch+Two Vertical support at both

arch mid points+ sturt + arch connecting pipe; all made of 1¼”dia and 2.0 mm thick.. Two

ends welded with base plate for fixing to the columns. Welded with MS angle cleats at 3 or 4 posistions to fix the purlin. (as per Design in annexure B). Erection of trusses on the pillar with

nut and bolt.

meters 900

6 Trusses Diagonal truss members (2 numbers) is of 1” dia (25mm OD), 2.0mm thick GI pipe. (as per

Design in annexure B).

meters 200

7 Rolling Pipe Provision of GI- Pipe = ¾” dia (OD 25mm), thickness not less than 2 .0mm (in 6 meter length)

for rolling polyethylene sheet for side vent, provided with cranking arrangements. (Each side

should have minimum two cranking arrangements)

meter 180

S ecification & Quotation for 36mX32m (1152 s .m) ol house 4Nos-Unit-3,4,5,6

Annexure "3"



C : Specification of GI Materials for Reinforcements

SN ITEM Specification Unit Quantity Rate (Rs.) Amount (Rs.)

1 Arch (truss)

bracing

Supply and welding of arch bracing with GI- Pipe = 1 inch (OD 33mm), thickness 2 .0mm (6

meter) ISI.(12pairs) ; For both gable end trusses, for both Top arch & bottom Arch which is

welded to column plat. (Design in Annexure C, D,E).

meter 96

2 CornerColumn

bracing / X

Pipes

Supply and provision (with clamp, nut & bolt) of X bracing with GI- Pipe = 1¼” (OD 42mm)thickness 2 .0mm for all 4 corner (8 spots). (Design in annexure C, D,F)

meter 96

3 Column

bracing / X

Pipes

For 2nd Bay of green house at the beginning & last but one bay at the end & below each gutter

one X pipe should be provided with clamp, nut & bolt with GI- Pipe =of 1”dia (OD 33mm,

thickness 2 .0mm) for inside (10 spots). (Design in annexure C, D,F)

meter 72

4 V - bracing Supply & fixing of V bracing for every pillar with clamp, nut & bolt, with GI- Pipe = ¾”

(25mm, wall thickness 2 .0mm). Provided to each and every column on 8X4 grid. Single bracings to 20nos of side columns. Also single bracings to 10nos of partition columns. (design

in annexure D)

meter 80

5 A - Bracing GI- Pipe = 1 inch (OD 33mm), thickness 2 .0mm (6 meter) ISI. Connects the gable end centre

post to purlin (6+6 numbers)

48

6 Crop load

Bracing

GI- Pipe = 1 inch (OD 33mm), thickness 2 .0mm (6 meter) ISI. Connects the gable end

horizontal beam of the truss to the 2nd pillar on gutter line, to be provided at two points on the

horizontal beam at equal distance on each gable side bay (6+6 pairs); at both sides.

meter 96

7 Clamps, Nuts,Bolts, MS

Flats,MS

Angles

As explained in General specifications are to be used for fixing the trusses, purlins, Brazingsetc.

Kg 133



D : Specification of Fixing Cladding Materials / OthersSN ITEM Specification Unit Quantity Rate (Rs.) Amount (Rs.)

1 Gutters Supply and fixing of gutters made of GL Aluminum coated steel sheets, 0.5/1.0mm thick,

single length. Width: 60cm. To be bolted to purlin with plated nuts and bolts. Slope

unidirectional for all the gutters, minimum uniform slope of 1% is to be provided in civil

structural work/design. One end of the gutter need to be connected to funnel of 6 inch and 6”PVC vertical pipe till ground level for harvesting rain water from roof.

meters 108

2 Polyethylene

film for roof

Supply and fixing of 200 micron thick, U.V. stabilized, Anti Sulfur, Anti Drip, Anti Dust,

diffused, 5-layered, Ginegar poly film, for roof, vertical area between eve and arch on gable

ends with the help of zig-zag spring additional piece of polyethylene strips.

sq.m 1528

3 Aluminum

Profile

Supply & fixing of locking profile made of extruded aluminum channels to the structure with

the help of SDS. Profiles made of alloy aluminum (approximately 220-250g/running meter).

Should be suitable for double spring locking. Thickness : minimum 1.0mm. Aluminium

profiles have to be fixed with Galvanized 10 X 20 Patta Self Drilling Screw with washers as per requirement and with the best quality plating to have good anti-corrosiveness. SDS have to

be fixed on profile for every 30cm distance (minimum)

meter 984

4 Zig – zag

Spring

Supply of Zig Zag spring made of minimum of 2.3 mm-thick steel that is coated with plastic &

it will lock & hold poly film and nets in aluminum profile. A strip of polyethylene sheet is to

be provided on the aluminium profile underneath the zig-zag spring.

meter 1336

5 Self Drilling

Screws

Supply & fixing Patta SDS with washers, and with best quality plating to have good anti-

corrosivemess. SDS have to be fixed on aluminium profile for every 30cm distance.

Number 3280

6 Nylon Net

(insect proof

net)

Supply & fixing of 50 mesh, white colour, UV stabilized, Meteor insect proof net for top vent

and all four side ventilations with the help of zig-zag springs.

sq.m 537.6

7 Shade Net Green Shade net 50% shade factor, UV- Stabilized, Made retractable with side reinforced

stitching, proper hooks, UV stabilized PP ropes and pulley/bends. Shadenet is supported with

properly spaced 12 gauge GI wire. Shadenet is spread at gutter level. Retractable arrangements

(with bends and PP ropes) for every 16m length.

sq.m 1152



8 GI wire for

crop load

Supply and fixing of 12 Gauge GI-Wire 12 No each for a 8m bay (along the direction of gutter)

to stake the crop

kg 72

9 Polyethylene

film for side

Supply and fixing of 200 micron thick, U.V. stabilized, 5-layered, Ginegar poly film for

rollable flap, with the help of zig-zag spring. provided on all the 4 side of polyhouse. While

fixing polysheet to rollable flap, ¾” plastic clamps are to be used to hold polysheet & ¾”GI-

Pipe at every 30cm. Supply and fixing of Polyethylene side wall upto 1 m height from ground

level to the boundary purlin. The bottom edge of the side wall plastic need to be neatly insertedto the soil by opening a trench of 30cm depth.

sq.m 544

10 Door Hinged door (single), minimum 2.5m height, 1.2m width, made of G.I. pipe frame (1.25" OD)

& 200micron UV film, locking arrangement. (connected to the ante room) (2 numbers of doors

for polyhouse and ante chambers).

No 2

11 Ante room Provision of ante-chamber. Size should be at least 2 m length x 1.5m width, 2.5m height made

of GI pipe frme 1.25" dia OD , Ante room door (hinged, 1.2m width made of G.I. frame &

200micron UV film) situated diagonally opposite to polyhouse door. With locking

arrangement. Covered with polyethylene sheet of above mentioned quality from all the three

sides and top. Polysheet has to be fixed with aluminium profiles & springs. RCC flooring tothe anteroom with sunken well for disinfecting fluid.

No 1

12 Drip System

installation

Supply & installation of 16mm Inline drip lateral, class-2, Discharge: 4 lph, Emitter

spacing 40cm,with installation of PVC mains/sub-mains, control valves, flush valves,

proper sectioning based on water availability, disc filter and ventury fertilizer injector

with pressure gauge for each unit seperately. Inline drip lateral quantity: 1600m (In-line

laterals laid out for every 0.75m) (ventury, disc filter and inline drip lateral: Netafim)

sq.m 1152

13 Tractor door Every polyhouse need to have separate closable Tractor entry door which is neatly partitioned by aluminum profile & spring fixing.

nos1

14 Painting All welded points and non galvanized structural components is to be painted with primers and

Asian silver paint.

no of

joints/pie

ces

527

Total cost (Rs.)



Polyhouse LXB Area(m2)

Polyhouse 1 36X48 1728




Polyhouse 5 36X32 1152Polyhouse 6 36X32 1152

Total 8064

Amont in Rs.

Polyhouse Specification

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